该方法返回指定双精度值的反正切值。
double atan(double d)
这是参数的详细信息-
d - 双精度数据类型。
public class Test { public static void main(String args[]) { double degrees=45.0; double radians=Math.toRadians(degrees); System.out.format("The value of pi is very very very approximately %.4f%n", Math.PI); System.out.format("The arctangent of %.4f is %.4f degrees %n", Math.cos(radians), Math.toDegrees(Math.atan(Math.sin(radians)))); } }
这将产生以下输出-
The value of pi is very very very approximately 3.1416 The arctangent of 0.7071 is 35.2644 degrees
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